The Barnes Mil/LE Reduced Ricochet Limited Penetration projectile was original developed for Military and Law enforcement applications which called for projectiles that needed to be safe for use in LE practice environments. These open tip bullets won't come apart in mid-air even at very high velocities and extreme rates of spin. These projectiles combine accuracy with explosive fragmentation and won't destroy steel practice targets. The M/LE RRLP bullet from Barnes features a frangible powdered-metal copper tin core inside guilding metal jacket.